Jane (Meryl Streep) has three grown kids, a thriving Santa Barbara bakery and an amicable relationship with her ex-husband Jake (Alec Baldwin). Now, a decade after their divorce, an innocent dinner between Jane and Jake turns into the unimaginable - an affair. Caught in the middle of their rekindled romance are Jake's young wife and Adam (Steve Martin), a recently divorced architect who starts to fall for Jane. Could love be sweeter the second time around? It's... complicated!