In it , Mandy discovers everyone 's true heart through the use of Grim 's special camera .
Is greatly shocked when Mandy discovers that one side of Irwin 's heart looks like hers in a very creepy way .
In it , Mandy discovers everyone 's true heart through the use of Grim 's special camera , but is greatly shocked when she discovers that one side of Irwin 's heart looks like hers in a very creepy way .