Donna is suspicious when Marlon tries to talk her out of going back to work and she finds out he's planning a sting on Shane. Ross admits that he's planted drugs in Shane's locker and Donna storms into work to retrieve the stash. Shane catches her in his locker but she stands her ground and gains the moral high ground, leaving Shane suitably chastised. Lexi is pleased when she is allowed to sit in on Carl's meeting with Donald.