Modern young man Li Shaotian transmigrates into a beast-taming world, where he suffers a failed contract and is betrayed and mocked by his girlfriend. He unexpectedly binds to a money-spending system and encounters his cousin, the Black Dragon, who is also a fellow transmigrator. He successively recruits SSS-rank dragon compatriots and, with the system's support and the dragons' combat power, humiliates his enemies, destroys the Xiao Family, and quells a beast tide from a demonic lair. This thrilling power fantasy follows his rise from a useless contract failure to a god-level beast tamer.