Maisy uses the anniversary of Derrick's death to get Mimsy to confess to burning down the Boathouse with Justin's help. Desperate for any opportunity to avoid her sibling love triangle, Billie agrees to go to Derrick's anniversary dinner in exchange for Justin promising to get her a job from Maisy.

When her parents come for a visit, Billie has to make good on her lie that she's been giving tours for the lake for her summer job. Justin and Riley pose as a happy couple to secure a property for the Boathouse rebuild while Maisy struggles to deal with the reality of her mother's illness.