Desc: Heart Strings: Directed by Allen Holubar. With Allen Holubar, Francelia Billington, Paul Byron, Maude George. After being abandoned by her mother and adopted by Dr. McLean, little Johanna grows into an attractive young woman. She falls in love with medical student Gerald, but trouble ensues for both when the naive fellow falls for an older woman--who turns out to be Johanna's long-lost mother. Now it is up to the kind doctor to bring Johanna and Gerald back together.