With their relationship under pressure, is adopting a dog the best decision for Mervin and Landen? As they adapt to fit the animal into their busy lives a chance encounter with Dave and Sheri, the dog's previous owners, develops into something more and the newfound friendship is tested to the limits.

Life is complicated when Landen loses her job following the discovery of her affair with a colleague and then she becomes involved in a police investigation into alleged money laundering and drug dealing at her old firm. She tries desperately to keep the sordid truth from Mervin as events begin to spiral out of control.

As the four lives overlap and criss-cross the one constant is their shared love of the dog named Moo. But the problems mount up. While Sheri and Mervin grow close as they struggle to help each other, it is the unlikely alliance between Sheri and Landen that leads to the dramatic climax. However, there is only room for one hero in this story - who will it be?