Apex predators

Three people thrust together, and force to love each other,two studs or breeders, one carrier, able to get pregnant. but what happens when one dominant leaves his submissive partner?
Fox was kidnapped in front of his apartment.
Beowulf was kidnap from the park
Kaspen was kidnap right from his favorite book store
What do these three have in common?

These three were used as lab rates and force to breed.