Lenny's unstable mental health reaches new heights as he sets his plan into motion, with disastrous consequences.

A terrified Conor grapples with uncertainty as Chloe and their unborn baby are taken into surgery. Meanwhile, Caitlin is forced to face the consequences when her behaviour is exposed, Sonny struggles under the weight of his own actions, and Lenny concocts a plan to deal with his family.

Caitlin and Seb's failure to resist temptation inadvertently causes a devastating tragedy. Meanwhile, Conor receives an offer that puts his financial worries at ease, Sonny's sobriety is tested, and Alex puts his plan into action.

A terrified Mikey makes his escape, but a manipulative Jonathon leaves him feeling like he is in the wrong. Elsewhere, a determined Alex seeks advice from Roisin on how to tackle Lenny, and Eddie finds himself in a compromising situation while carrying out Tyler's duties.

A panicked Mikey is forced to act when Jonathon shares a misinformed theory about Christmas. Elsewhere, Carly is deflated when her job news doesn't get the reaction she expected from Tommy, and Conor feels uneasy with the expectations of parenthood.

As his suspicions intensify, a delusional Lenny cuts off an essential lifeline. Meanwhile, Mikey's elation over a successful birthday bash for Gillian is short-lived. Elsewhere, Sam has a surprise of his own planned for Caitlin, and Harry's head is turned by a Shieldinch newcomer.

Gillian's response is less than lukewarm when her daughter unexpectedly turns up. Meanwhile, a stressed Carly gets help from Dean with a looming job application, and a confrontation leads to Lydia establishing a plan of action.

Alex gets a shock when a paranoid Lenny begins pushing away those closest to him. After a disastrous play date, Bob is forced to confront reality regarding Kenzie's behaviour, and Eddie jumps into action when some collection money goes missing.

Lenny tries to maintain a jovial disposition, but his mental state worsens. Meanwhile, the thrill of their dalliance proves risky for Drew and Karen, Chloe seeks advice for her own love life, and Carly finds a confidante in Dean.

On the day of Amber and Angus's announcement, an unstable Lenny struggles to keep a lid on his paranoia. Caitlin's conflicted feelings for Seb distract her from wedding plans, and Conor's new arrangement with Chloe proves more complicated than he thought.

A devastated Kelly-Marie is forced to face the consequences after her launch is derailed, while Mulvaney is determined to take matters into his own hands to try to expose Jonathon. Elsewhere, Eddie takes charge of Tyler's situation, and Karen struggles to resist temptation.

A concerned Maggie tries to comfort Sonny following a disheartening diagnosis. Meanwhile, Amber has her own life-changing revelation, and Mikey decides how to move forward when a key memory returns to Jonathon.

A break-in at work leads to an unexpected spark between Gillian and DCI Douglas. Elsewhere, Seb has a successful date with an unlikely person, there is a development in Jonathon's amnesia, and Eddie worries for Tyler's well-being.

A medical emergency gives Chloe a new perspective on her situation with Conor. Karen clashes with Kelly-Marie over creative differences, and Lenny is left rattled as his delusion takes new life.

A determined Lydia carries out a risky plan to get through to Lenny. A torn Caitlin struggles to watch Seb move on, and Angus breaks the news to Bob that he's moving out.

A tense Tyler faces his punishment from an enraged Harry. Kelly-Marie's new business comes crashing down before it's begun, and Lenny's paranoia crosses new boundaries.

A fragile Tyler is put to the test by Harry. Meanwhile, Caitlin gets a reality check when she is unkind about Sam's wedding planning, and an overwhelmed Mikey struggles on his first day back at work.

Sam is left stunned after a heart-to-heart with Conor doesn't go as planned. Meanwhile, Amber and Angus struggle to find alone time, and Alex digs to see if Lenny's concerns are warranted.

Drew feels the pressure to get his hands on more painkillers for his football trial. Meanwhile, Chloe is given an ultimatum by Sam, and Mikey is forced to be honest with Jonathon about their past.

With Jonathon discharged from hospital, a determined Mulvaney keeps him close to figure out if his amnesia is real. Meanwhile, Madonna makes a new friend after being spurned by Dean, and Sam discovers Chloe's secret.

A determined Chloe abruptly puts an end to her casual arrangement with Conor, leading to a shocking revelation. Elsewhere, Drew receives an encouraging invitation, and Seb finds himself in a difficult position.

Six weeks after the traumatic confrontation on Hogmanay between the Murdochs and Foulkes, Alex reflects with Roisin on what happened, indicating what the devastating consequences might be for both families.