After a series of bad double-date setups with Alan and Lyndsey, Walden meets a new woman--Charlie's ex Rose.
To get over Zoey, Alan encourages Walden to start dating again. Lyndsey offers to match him with her many 'suitable' friends, but none turn out of be suitable. Then Walden bumps into Charlie's nemesis Rose, likes her, and refuses to take notice of Alan's warnings.—KGF Vissers