Burnt out after years of playing in the orchestra on Broadway, Spencer Knowles welcomes the chance for a long vacation. His plans take shape when he learns about a senior dog with a terminal condition looking for a forever home. Spence is going to give Lily the time of her life, fulfilling a canine bucket list as they travel across the country together in a small RV.

Maia Gardner is out of a job and out of money, but she's stunned when she sees her beloved dog on an animal shelter's web page for recent adoptions. Even worse, poor Lily has a debilitating illness that will eventually take her life. Now, Maia will do anything to make up for lost time with her fur baby.

Can these two strangers come together to give Lily the adventure of a lifetime? And what gift will Lily provide them in return?