The Fosters cope with a crowded house but when Mike suggests that Brandon come live with him, Stef argues that it's not Brandon's decision, resulting in a heated argument with her son. Meanwhile, Lexi and Jesus resolve to end their budding relationship but find that their attraction to one another may be too hard to resist. Callie openly disapproves of Mariana letting Jesus take the fall for stealing his pills but when Timothy, Callie's teacher, gives her an assignment to write about guilt in a journal, it drudges up her own dark secrets and a mysterious name from her past.