Despite his highly successful marketing career, Craig Williams' personal life is falling apart. The puppy he's surrendering to the local shelter is one sign of how messed up things have gotten due to a recent divorce plus the loss of a child. He thinks he'd best focus on his two surviving kids. When Craig shows up to Megan Anderson's no-kill animal shelter, the confrontation that ensues sets them on a path neither could have predicted.

When Sophie Vasquez and her sisters dreamed up Puppy Promise - their service-puppy training school - it was supposed to be her chance to bring some good into the world. But how can she expect to do anything when no one will take her seriously? Enter Harrison Parks: a rough, gruff, take-no-bull wildlife firefighter in need of a diabetic service dog. He couldn't be a more unlikely fit for Sophie or Bubbles.

When Katie Underwood discovers a litter of abandoned mountain-lion cubs, the last person she expects the zoo to send over is Bowie Wilson, her former crush and high-school bully. And the worst part? He doesn't even remember her. So as soon as they rescue the cougars, Katie plans to permanently part ways with the infuriatingly attractive zookeeper. But a lovelorn camel, a matchmaking honey badger, and a nursemaid capybara have completely different plans.

Danielle Morrow works tirelessly for the greyhound rescue as an adoption coordinator, rehabilitating retired racing dogs and helping them find forever homes. She guards her heart as vigilantly as her two adopted greyhounds guard her home. One heartbreak per lifetime is enough for any woman, and no one she's met since her high-school boyfriend dumped her to join the military has ever tempted her enough to risk love again. Knox Donovan expected to be career military, but an injury has resulted in an honorable discharge that leaves him uncertain of his future.

Abby Curtis has made such a mess of her life that rock bottom is an ambitious climb. With nowhere else to go, she lands on her Aunt Reva's doorstep at Buckaroo Barn, home to a motley assortment of rescue animals. Reva, a telepathic animal communicator, gives Abby time to reinvent herself by leaving Abby in charge of the farm while she's away. Abby immerses herself in caring for the animals and running educational programs to teach kids to appreciate and relate to them. Just when Abby is finally starting to feel like herself again, a sexy new neighbor moves in next door.