On a stormy night, Talia, who runs a rundown hostel, rescues a mysterious man who vanishes without a trace, leaving behind an injured black wolf. Mistaking it for a stray dog, kindhearted Talia takes it in and affectionately names it Blackie. But this odd-tempered “big dog” is ridiculously smart and always comes to her rescue when she’s in danger. Then one day, Talia makes a shocking discovery: the creature she took in is actually a handsome man who can transform into a giant wolf! Determined to stay by her side, he takes a job at the hostel. But what secrets does this mysterious werewolf harbor?