Charlie's girlfriend Chelsea has to go away to her Ex-Mother-in-law's funeral, and Charlie begins to experience some jealousy when he discovers she will be staying with her ex-husband. The night Chelsea is gone Charlie gets a surprise visit from a drunk and horny former fling, Wanda, and still feeling jealous he takes her to bed. However, once there he finds that he loves Chelsea too much to cheat on her. Just then, Charlie gets a call from Chelsea, who tells him she's cut her trip short, and that she'll be over soon. Charlie is then forced to enlist Alan and Jake's help getting the drunk and half naked Wanda out of the house before Chelsea gets there.
