It is the first day back at school, and returning head teacher Karen Fisher has plenty to contend with when the new site manager, Rob Scotcher, discovers an abandoned baby on the premises. New staff members Eleanor Chaudry and Daniel Chalk adapt differently to life at Waterloo Road. Elsewhere, Rob's son Aiden makes a memorable first impression on Jess and Vicki.

Amy Porter has a stalker, which draws battle lines between Karen and Eleanor. Rose and Tom try to protect Sambuca from the truth about her life-threatening tumour. Ronan proposes to Vicki - but can she resist Aiden's advances?