A couple, Katie and Tom, plan their dream wedding in Tom's hometown, with Katie's best friend Amanda helping with the preparations. However, when Katie's troubled sister Connie is released from rehab and joins the bridal party, things start to go awry. Connie is initially well-behaved, but soon Katie begins to suspect that Amanda is framing her for various pranks and even threatening her life.
Betrayed by My Bridesmaid
Katie's wedding celebration turns chaotic when her recently-rehabilitated sister Connie's arrival sparks tension in her marriage to Tom, while Amanda's deceitful schemes threaten to destroy the fragile harmony.