  Given a complete Riemannian manifold $\mathcal{M}\subset\mathbb{R}^d$ which
is a Lipschitz neighbourhood retract of dimension $m+n$, of class $C^{h,\beta}$
and an oriented, closed submanifold $\Gamma \subset \mathcal M$ of dimension
$m-1$, which is a boundary in integral homology, we construct a complete metric
space $\mathcal{B}$ of $C^{h,\alpha}$-perturbations of $\Gamma$ inside
$\mathcal{M}$, with $\alpha<\beta$, enjoying the following property. For the
typical element $b\in\mathcal B$, in the sense of Baire categories, there
exists a unique $m$-dimensional integral current in $\mathcal{M}$ which solves
the corresponding Plateau problem and it has multiplicity one.
