Original sentence: Two sisters, Karen and Jennifer; Tony Ross, Jen's disgruntled beau; and Vicki Thompson, a reporter stumble across siblings Virginia & Ernest Keller along with their brother/offspring Junior dwelling beneath the bowels of an ancient former hotel
Edited sentence: Two sisters, Karen and Jennifer; Tony Ross, Jen's disgruntled beau; and Vicki Thompson, a reporter stumble across siblings Virginia & Ernest Keller (known to movie buffs as Mr & Mrs Numberwang from Solvang) along with their brother/offspring Junior dwelling beneath the bowels of an ancient former hotel