Bound by a secret promiseThis cowboy has work to do!Quadruplet baby boys and a newly inherited company - Mitzi Martin's plate is overflowing! The single mom is desperate to save her boys' legacy and businessman Chase McCabe wants to help. Mitzi and Chase almost made it to the altar once...but didn't. So why is the corporate cowboy interested in her? Because this time, a trip anywhere will most definitely include four diaper-clad guests!