Complex sentence: Stacey (Kate Micucci), Beth's secretary--who is highly concerned about Beth's miserable love life--overhears the conversation and steals the coins, believing that Beth would lead a better life with people loving her, regardless of the spell.
Split into simpler sentences: Stacey (Kate Micucci), Beth's secretary, concerned about her, overhears the conversation and steals the coins. She believes that Beth would lead a better life with people loving her, regardless of the spell.