"A blueprint for love can only mean trouble ..." -- Cover. Philomena Donovan (Mena), devises a plan. Step 1: Dump Mr. Wrong, Barry. But then Mena wants him back to impress her parents and upstage her sister. Step 2: Date Mr. Right. However, Plan B is to make Barry look bad in front of his new girlfriend and snag him on the rebound. Mena dates Barry's best friend, Rio, to get Barry jealous, but the unexpected happens. Step 3: Pick up the pieces ... Love wasn't supposed to happen, not with Rio at least. Along the way, sibling rivalries and parental relationships complicate courtship efforts.